Sarah, The short answer is that, yes, you can substitute butter for shortening in cookies. It will, however, change the texture and appearance of the end product. Because shortening is 100% fat and butter is roughly 85% fat and 15% water, cookies with butter in them tend to spread more during baking.
Usage: Yang is a popular first name. It is more often used as a boy (male) name. People having the name Yang are in general originating from China, France, South Korea, United States of America.
Mini Bio (1) Born as Yang Zi Qiong in the mining town of Ipoh, in West Malaysia, in the lunar year of the Tiger, Michelle is the daughter of Janet Yeoh and Yeoh Kian Teik, a lawyer and politician. She is of Han Chinese (Hokkien) descent, and spoke English and Malay before Chinese.